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author | Calin Juravle <calin@google.com> | 2014-04-01 17:38:59 +0100 |
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committer | Calin Juravle <calin@google.com> | 2014-04-02 19:16:54 +0100 |
commit | f723b70fe0d0c49dd764e72b01501c8a211545e4 (patch) | |
tree | 167a850ec7296b0a9c2bc1ba6e3d85ba1244829b /libm/upstream-freebsd/lib/msun | |
parent | b732b71dc10158a4c1d8ee2235d357f8694030ba (diff) | |
download | bionic-f723b70fe0d0c49dd764e72b01501c8a211545e4.zip bionic-f723b70fe0d0c49dd764e72b01501c8a211545e4.tar.gz bionic-f723b70fe0d0c49dd764e72b01501c8a211545e4.tar.bz2 |
Emit warnings when linking against imprecise math functions
Change-Id: I3da7b8396a64d7899fcb89452c879806a8a511ff
Diffstat (limited to 'libm/upstream-freebsd/lib/msun')
-rw-r--r-- | libm/upstream-freebsd/lib/msun/src/imprecise.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/libm/upstream-freebsd/lib/msun/src/imprecise.c b/libm/upstream-freebsd/lib/msun/src/imprecise.c deleted file mode 100644 index a7503bf..0000000 --- a/libm/upstream-freebsd/lib/msun/src/imprecise.c +++ /dev/null @@ -1,69 +0,0 @@ -/*- - * Copyright (c) 2013 David Chisnall - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include <float.h> -#include <math.h> - -/* - * If long double is not the same size as double, then these will lose - * precision and we should emit a warning whenever something links against - * them. - */ -#if (LDBL_MANT_DIG > 53) -#define WARN_IMPRECISE(x) \ - __warn_references(x, # x " has lower than advertised precision"); -#else -#define WARN_IMPRECISE(x) -#endif -/* - * Declare the functions as weak variants so that other libraries providing - * real versions can override them. - */ -#define DECLARE_WEAK(x)\ - __weak_reference(imprecise_## x, x);\ - WARN_IMPRECISE(x) - -long double -imprecise_powl(long double x, long double y) -{ - - return pow(x, y); -} -DECLARE_WEAK(powl); - -#define DECLARE_IMPRECISE(f) \ - long double imprecise_ ## f ## l(long double v) { return f(v); }\ - DECLARE_WEAK(f ## l) - -DECLARE_IMPRECISE(cosh); -DECLARE_IMPRECISE(erfc); -DECLARE_IMPRECISE(erf); -DECLARE_IMPRECISE(lgamma); -DECLARE_IMPRECISE(sinh); -DECLARE_IMPRECISE(tanh); -DECLARE_IMPRECISE(tgamma); |